Seat, Valve4820-01-478-2444

NSN 4820-01-478-2444 · NIIN 014782444 · Part number 15-B4422

Rix Industries · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28953

Government record, cited

NSN 4820-01-478-2444 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-478-2444. Manufacturer of record part number: 15-B4422.

Also searched as 4820-01-478-2444 · 4820014782444 · NIIN 014782444 · 01-478-2444 · FSC 4820 Valves, Nonpowered · CAGE 28953 · 15-B4422 · B4422 REV C

Nearby stock numbers ← 4820-01-478-2442 Valve, Gate · 4820-01-478-2454 Valve, Flow Control →

4820-01-478-2444 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Seat to Disk End Height: 0.460 INCHES NOMINAL IN
Flange Diameter: 1.250 INCHES NOMINAL IN
Body Outside Diameter: 1.135 INCHES NOMINAL IN
Hardness Rating: 40.0 ROCKWELL A MAXIMUM OVERALL
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.660 INCHES NOMINAL IN
Material: STEEL OVERALL

Identification

NSN: 4820-01-478-2444
NIIN: 014782444
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 15-B4422
Manufacturer: Rix Industries

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-478-2444, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-478-2444
Primary Part Number	15-B4422
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Rix Industries
Status	ACTIVE
Flange Seat to Disk End Height	0.460 INCHES NOMINAL IN
Flange Diameter	1.250 INCHES NOMINAL IN
Body Outside Diameter	1.135 INCHES NOMINAL IN
Hardness Rating	40.0 ROCKWELL A MAXIMUM OVERALL
Style Designator	PLAIN FLANGED
Body Inside Diameter	0.660 INCHES NOMINAL IN
Material	STEEL OVERALL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
15-B4422 PRIMARY	Rix Industries (USA)
B4422 REV C	Rix Industries (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-478-2444?

NSN 4820-01-478-2444 is a Seat,valve, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-478-2444?

NSN 4820-01-478-2444 has 2 manufacturer part numbers on file: 15-B4422 (Rix Industries), B4422 REV C (Rix Industries).

What are the specifications of 15-B4422?

Key specifications for 15-B4422: Flange Seat to Disk End Height: 0.460 INCHES NOMINAL IN; Flange Diameter: 1.250 INCHES NOMINAL IN; Body Outside Diameter: 1.135 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL A MAXIMUM OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-478-2444 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com